When to go · Ireland
Ireland in September
Good month. Schools back, sea at its warmest, often settled weather: a strong month for driving the coast.
Key facts
- Verdict
- Good
- Crowds
- Medium
- Ireland
- Prices
- Medium
- Ireland
Verdict
Schools back, sea at its warmest, often settled weather: a strong month for driving the coast.
Is another month better than September?
September is rated good. These months rate higher:
Weather in September
- Dublin and the east · Dublin, Wicklow, Boyne Valley, Kilkennyfine
Driest part of the country; mild all year, rarely above 25 °C (77 °F) or below freezing.Driest part of the country; mild all year, rarely above 77 °F (25 °C) or below freezing.
- West coast · Galway, Connemara, Clare, Mayo, Donegalfine
Rain on most days, rarely all day; Atlantic storms in winter close cliff paths and island ferries.
- South-west · Kerry, Dingle, West Corkbest weather
Mildest winters (sub-tropical gardens) but high rainfall; the Ring of Kerry fills with coaches in July–August.
- Aran Islands: Aran Islands · all three islands, Atlantic exposurebest weather
May to September is the reliable window; summer ferries are most frequent then. Rain and wind arrive year round and can cancel sailings or flights.
- Burren: Burren coast and plateau · Ballyvaughan, Doolin, Carran, Kilfenorabest weather
Atlantic weather: rain in any month, wind on the coast, and the plateau can be several degrees colder than Ennis. May to June and September give the best odds; July and August are busiest and wettest.
- East Coast and Midlands: Dublin and the east coast · Dublin, Louth, Wicklow coastbest weather
Mild and changeable year-round; rain any month. May–June and September give the best odds of dry days.
- East Coast and Midlands: Midlands · Kildare, Laois, Offaly, Westmeath, Longfordbest weather
Colder and wetter than the coast in winter; bog and canal paths can be muddy after rain.
- Northwest Ireland and Lakelands: Donegal and Sligo coast · Atlantic west and northweststorm or typhoon risk
Wettest and windiest part of the region; rain arrives on any month, so pack a shell.
- Northwest Ireland and Lakelands: Cavan, Monaghan and Leitrim · Inland lakelandsstorm or typhoon risk
Slightly drier and calmer inland; lakes and waterways are best May to September.
- Shannon Region: Shannon Region · Clare, Limerick, Tipperary lowlandsfine
Atlantic weather: rain any month, mild winters, cool summers. May–Sep gives the longest days and the best odds; the Cliffs of Moher are often in cloud, so keep a spare day.
- Southeast Ireland: Southeast lowlands · Carlow, Kilkenny, Waterford, Wexfordbest weather
Drier and sunnier than the west; May–June and September are the picks. Beaches are busiest in July–August.
- Southwest Ireland: Cork city and east · harbour and lowlandsstorm or typhoon risk
Mild and wet year-round; rain arrives in bands, so a dry morning can turn by 14:00.Mild and wet year-round; rain arrives in bands, so a dry morning can turn by 2:00 PM.
- Southwest Ireland: Kerry mountains and peninsulas · Killarney, Dingle, Iveraghstorm or typhoon risk
Wetter and windier than Cork; mist can drop on Mount Brandon and the passes within an hour.
- West Ireland: Galway and the coast · Atlantic seaboardfine
Rain year-round; May–September is mildest and driest, around 15–19 °C (59–66 °F). Winter days are short and windy.Rain year-round; May–September is mildest and driest, around 59–66 °F (15–19 °C). Winter days are short and windy.
- West Ireland: Inland Mayo and Roscommon · Lakes and lowlandfine
Slightly colder and calmer than the coast; fog on lake roads in autumn mornings.
- Dublin17 °C (63 °F) / 10 °C (50 °F), 12 rain days63 °F (17 °C) / 50 °F (10 °C), 12 rain days
- Abbeyleix17 °C (63 °F) / 9 °C (48 °F), 11 rain days63 °F (17 °C) / 48 °F (9 °C), 11 rain days
- Adare18 °C (64 °F) / 10 °C (50 °F), 15 rain days64 °F (18 °C) / 50 °F (10 °C), 15 rain days
- Annascaul17 °C (63 °F) / 10 °C (50 °F), 13 rain days63 °F (17 °C) / 50 °F (10 °C), 13 rain days
- Ardmore, County Waterford18 °C (64 °F) / 11 °C (52 °F), 11 rain days64 °F (18 °C) / 52 °F (11 °C), 11 rain days
- Arklow18 °C (64 °F) / 10 °C (50 °F), 11 rain days64 °F (18 °C) / 50 °F (10 °C), 11 rain days
- Arranmore16 °C (61 °F) / 11 °C (52 °F), 17 rain days61 °F (16 °C) / 52 °F (11 °C), 17 rain days
- Ashbourne17 °C (63 °F) / 9 °C (48 °F), 11 rain days63 °F (17 °C) / 48 °F (9 °C), 11 rain days
- Athenry18 °C (64 °F) / 10 °C (50 °F), 16 rain days64 °F (18 °C) / 50 °F (10 °C), 16 rain days
- Athlone18 °C (64 °F) / 10 °C (50 °F), 11 rain days64 °F (18 °C) / 50 °F (10 °C), 11 rain days
- Athy18 °C (64 °F) / 9 °C (48 °F), 11 rain days64 °F (18 °C) / 48 °F (9 °C), 11 rain days
- Bagenalstown18 °C (64 °F) / 10 °C (50 °F), 11 rain days64 °F (18 °C) / 50 °F (10 °C), 11 rain days
- Bailieborough17 °C (63 °F) / 9 °C (48 °F), 12 rain days63 °F (17 °C) / 48 °F (9 °C), 12 rain days
- Balbriggan17 °C (63 °F) / 10 °C (50 °F), 10 rain days63 °F (17 °C) / 50 °F (10 °C), 10 rain days
- Ballina17 °C (63 °F) / 10 °C (50 °F), 17 rain days63 °F (17 °C) / 50 °F (10 °C), 17 rain days
- Ballymahon17 °C (63 °F) / 10 °C (50 °F), 11 rain days63 °F (17 °C) / 50 °F (10 °C), 11 rain days
- Ballymote17 °C (63 °F) / 10 °C (50 °F), 17 rain days63 °F (17 °C) / 50 °F (10 °C), 17 rain days
- Ballyshannon16 °C (61 °F) / 10 °C (50 °F), 17 rain days61 °F (16 °C) / 50 °F (10 °C), 17 rain days
- Ballyvaughan17 °C (63 °F) / 10 °C (50 °F), 16 rain days63 °F (17 °C) / 50 °F (10 °C), 16 rain days
- Baltimore18 °C (64 °F) / 11 °C (52 °F), 12 rain days64 °F (18 °C) / 52 °F (11 °C), 12 rain days
- Banagher17 °C (63 °F) / 9 °C (48 °F), 11 rain days63 °F (17 °C) / 48 °F (9 °C), 11 rain days
- Bantry18 °C (64 °F) / 11 °C (52 °F), 13 rain days64 °F (18 °C) / 52 °F (11 °C), 13 rain days
- Belturbet17 °C (63 °F) / 9 °C (48 °F), 13 rain days63 °F (17 °C) / 48 °F (9 °C), 13 rain days
- Birr18 °C (64 °F) / 10 °C (50 °F), 15 rain days64 °F (18 °C) / 50 °F (10 °C), 15 rain days
- Blarney18 °C (64 °F) / 10 °C (50 °F), 13 rain days64 °F (18 °C) / 50 °F (10 °C), 13 rain days
- Blessington17 °C (63 °F) / 10 °C (50 °F), 11 rain days63 °F (17 °C) / 50 °F (10 °C), 11 rain days
- Booterstown18 °C (64 °F) / 11 °C (52 °F), 10 rain days64 °F (18 °C) / 52 °F (11 °C), 10 rain days
- Borris18 °C (64 °F) / 10 °C (50 °F), 11 rain days64 °F (18 °C) / 50 °F (10 °C), 11 rain days
- Boyle17 °C (63 °F) / 10 °C (50 °F), 16 rain days63 °F (17 °C) / 50 °F (10 °C), 16 rain days
- Bray18 °C (64 °F) / 10 °C (50 °F), 10 rain days64 °F (18 °C) / 50 °F (10 °C), 10 rain days
- Buncrana16 °C (61 °F) / 10 °C (50 °F), 17 rain days61 °F (16 °C) / 50 °F (10 °C), 17 rain days
- Bunratty18 °C (64 °F) / 10 °C (50 °F), 15 rain days64 °F (18 °C) / 50 °F (10 °C), 15 rain days
- Caherciveen18 °C (64 °F) / 11 °C (52 °F), 14 rain days64 °F (18 °C) / 52 °F (11 °C), 14 rain days
- Cahir18 °C (64 °F) / 9 °C (48 °F), 12 rain days64 °F (18 °C) / 48 °F (9 °C), 12 rain days
- Carlow18 °C (64 °F) / 10 °C (50 °F), 11 rain days64 °F (18 °C) / 50 °F (10 °C), 11 rain days
- Carndonagh16 °C (61 °F) / 10 °C (50 °F), 17 rain days61 °F (16 °C) / 50 °F (10 °C), 17 rain days
- Carraroe17 °C (63 °F) / 11 °C (52 °F), 16 rain days63 °F (17 °C) / 52 °F (11 °C), 16 rain days
- Carrick-on-Shannon17 °C (63 °F) / 10 °C (50 °F), 15 rain days63 °F (17 °C) / 50 °F (10 °C), 15 rain days
- Carrickmacross17 °C (63 °F) / 9 °C (48 °F), 12 rain days63 °F (17 °C) / 48 °F (9 °C), 12 rain days
- Cashel18 °C (64 °F) / 9 °C (48 °F), 11 rain days64 °F (18 °C) / 48 °F (9 °C), 11 rain days
- Castlebar17 °C (63 °F) / 9 °C (48 °F), 17 rain days63 °F (17 °C) / 48 °F (9 °C), 17 rain days
- Castlecomer17 °C (63 °F) / 9 °C (48 °F), 11 rain days63 °F (17 °C) / 48 °F (9 °C), 11 rain days
- Castletownbere17 °C (63 °F) / 11 °C (52 °F), 13 rain days63 °F (17 °C) / 52 °F (11 °C), 13 rain days
- Castletownshend17 °C (63 °F) / 11 °C (52 °F), 13 rain days63 °F (17 °C) / 52 °F (11 °C), 13 rain days
- Cavan17 °C (63 °F) / 9 °C (48 °F), 15 rain days63 °F (17 °C) / 48 °F (9 °C), 15 rain days
- Clara18 °C (64 °F) / 9 °C (48 °F), 11 rain days64 °F (18 °C) / 48 °F (9 °C), 11 rain days
- Clifden17 °C (63 °F) / 10 °C (50 °F), 17 rain days63 °F (17 °C) / 50 °F (10 °C), 17 rain days
- Cloghane17 °C (63 °F) / 11 °C (52 °F), 15 rain days63 °F (17 °C) / 52 °F (11 °C), 15 rain days
- Clogherhead17 °C (63 °F) / 10 °C (50 °F), 12 rain days63 °F (17 °C) / 50 °F (10 °C), 12 rain days
- Clonakilty17 °C (63 °F) / 11 °C (52 °F), 12 rain days63 °F (17 °C) / 52 °F (11 °C), 12 rain days
- Clones17 °C (63 °F) / 9 °C (48 °F), 14 rain days63 °F (17 °C) / 48 °F (9 °C), 14 rain days
- Clonmacnoise18 °C (64 °F) / 10 °C (50 °F), 15 rain days64 °F (18 °C) / 50 °F (10 °C), 15 rain days
- Clonmel18 °C (64 °F) / 10 °C (50 °F), 12 rain days64 °F (18 °C) / 50 °F (10 °C), 12 rain days
- Cobh17 °C (63 °F) / 11 °C (52 °F), 12 rain days63 °F (17 °C) / 52 °F (11 °C), 12 rain days
- Cong17 °C (63 °F) / 10 °C (50 °F), 15 rain days63 °F (17 °C) / 50 °F (10 °C), 15 rain days
- Cork18 °C (64 °F) / 11 °C (52 °F), 12 rain days64 °F (18 °C) / 52 °F (11 °C), 12 rain days
- Crosshaven18 °C (64 °F) / 11 °C (52 °F), 11 rain days64 °F (18 °C) / 52 °F (11 °C), 11 rain days
- Dalkey18 °C (64 °F) / 11 °C (52 °F), 10 rain days64 °F (18 °C) / 52 °F (11 °C), 10 rain days
- Dingle17 °C (63 °F) / 11 °C (52 °F), 14 rain days63 °F (17 °C) / 52 °F (11 °C), 14 rain days
- Donegal Town16 °C (61 °F) / 10 °C (50 °F), 17 rain days61 °F (16 °C) / 50 °F (10 °C), 17 rain days
- Doolin17 °C (63 °F) / 11 °C (52 °F), 15 rain days63 °F (17 °C) / 52 °F (11 °C), 15 rain days
- Drogheda18 °C (64 °F) / 9 °C (48 °F), 11 rain days64 °F (18 °C) / 48 °F (9 °C), 11 rain days
- Drumshanbo17 °C (63 °F) / 9 °C (48 °F), 17 rain days63 °F (17 °C) / 48 °F (9 °C), 17 rain days
- Dún Laoghaire18 °C (64 °F) / 11 °C (52 °F), 10 rain days64 °F (18 °C) / 52 °F (11 °C), 10 rain days
- Dundalk17 °C (63 °F) / 9 °C (48 °F), 11 rain days63 °F (17 °C) / 48 °F (9 °C), 11 rain days
- Dungarvan18 °C (64 °F) / 11 °C (52 °F), 11 rain days64 °F (18 °C) / 52 °F (11 °C), 11 rain days
- Dungloe16 °C (61 °F) / 10 °C (50 °F), 17 rain days61 °F (16 °C) / 50 °F (10 °C), 17 rain days
- Dunmore East18 °C (64 °F) / 11 °C (52 °F), 12 rain days64 °F (18 °C) / 52 °F (11 °C), 12 rain days
- Edenderry18 °C (64 °F) / 9 °C (48 °F), 11 rain days64 °F (18 °C) / 48 °F (9 °C), 11 rain days
- Ennis18 °C (64 °F) / 10 °C (50 °F), 15 rain days64 °F (18 °C) / 50 °F (10 °C), 15 rain days
- Enniscorthy18 °C (64 °F) / 12 °C (54 °F), 15 rain days64 °F (18 °C) / 54 °F (12 °C), 15 rain days
- Enniscrone16 °C (61 °F) / 10 °C (50 °F), 17 rain days61 °F (16 °C) / 50 °F (10 °C), 17 rain days
- Enniskerry17 °C (63 °F) / 10 °C (50 °F), 11 rain days63 °F (17 °C) / 50 °F (10 °C), 11 rain days
- Falcarragh16 °C (61 °F) / 10 °C (50 °F), 16 rain days61 °F (16 °C) / 50 °F (10 °C), 16 rain days
- Fethard-on-Sea18 °C (64 °F) / 11 °C (52 °F), 11 rain days64 °F (18 °C) / 52 °F (11 °C), 11 rain days
- Fethard18 °C (64 °F) / 9 °C (48 °F), 11 rain days64 °F (18 °C) / 48 °F (9 °C), 11 rain days
- Foynes19 °C (66 °F) / 11 °C (52 °F), 13 rain days66 °F (19 °C) / 52 °F (11 °C), 13 rain days
- Freshford18 °C (64 °F) / 9 °C (48 °F), 11 rain days64 °F (18 °C) / 48 °F (9 °C), 11 rain days
- Galway16.3 °C (61 °F) / 10.9 °C (52 °F), 15 rain days61 °F (16.3 °C) / 52 °F (10.9 °C), 15 rain days
- Glencolmcille16 °C (61 °F) / 10 °C (50 °F), 16 rain days61 °F (16 °C) / 50 °F (10 °C), 16 rain days
- Glendalough17 °C (63 °F) / 9 °C (48 °F), 11 rain days63 °F (17 °C) / 48 °F (9 °C), 11 rain days
- Glengarriff17 °C (63 °F) / 11 °C (52 °F), 14 rain days63 °F (17 °C) / 52 °F (11 °C), 14 rain days
- Glenties16 °C (61 °F) / 10 °C (50 °F), 17 rain days61 °F (16 °C) / 50 °F (10 °C), 17 rain days
- Gorey18 °C (64 °F) / 11 °C (52 °F), 11 rain days64 °F (18 °C) / 52 °F (11 °C), 11 rain days
- Gort18 °C (64 °F) / 10 °C (50 °F), 15 rain days64 °F (18 °C) / 50 °F (10 °C), 15 rain days
- Graignamanagh18 °C (64 °F) / 10 °C (50 °F), 11 rain days64 °F (18 °C) / 50 °F (10 °C), 11 rain days
- Howth18 °C (64 °F) / 11 °C (52 °F), 10 rain days64 °F (18 °C) / 52 °F (11 °C), 10 rain days
- Inis Meáin17 °C (63 °F) / 11 °C (52 °F), 15 rain days63 °F (17 °C) / 52 °F (11 °C), 15 rain days
- Inis Oírr17 °C (63 °F) / 11 °C (52 °F), 14 rain days63 °F (17 °C) / 52 °F (11 °C), 14 rain days
- Inishbofin Island16 °C (61 °F) / 11 °C (52 °F), 16 rain days61 °F (16 °C) / 52 °F (11 °C), 16 rain days
- Kells17 °C (63 °F) / 9 °C (48 °F), 12 rain days63 °F (17 °C) / 48 °F (9 °C), 12 rain days
- Kenmare18 °C (64 °F) / 11 °C (52 °F), 14 rain days64 °F (18 °C) / 52 °F (11 °C), 14 rain days
- Kildare17 °C (63 °F) / 9 °C (48 °F), 12 rain days63 °F (17 °C) / 48 °F (9 °C), 12 rain days
- Kilkee17 °C (63 °F) / 11 °C (52 °F), 14 rain days63 °F (17 °C) / 52 °F (11 °C), 14 rain days
- Kilkenny18 °C (64 °F) / 10 °C (50 °F), 11 rain days64 °F (18 °C) / 50 °F (10 °C), 11 rain days
- Killaloe18 °C (64 °F) / 10 °C (50 °F), 14 rain days64 °F (18 °C) / 50 °F (10 °C), 14 rain days
- Killarney18 °C (64 °F) / 10 °C (50 °F), 14 rain days64 °F (18 °C) / 50 °F (10 °C), 14 rain days
- Killorglin17 °C (63 °F) / 10 °C (50 °F), 14 rain days63 °F (17 °C) / 50 °F (10 °C), 14 rain days
- Kilmallock18 °C (64 °F) / 10 °C (50 °F), 14 rain days64 °F (18 °C) / 50 °F (10 °C), 14 rain days
- Kilmore Quay18 °C (64 °F) / 11 °C (52 °F), 10 rain days64 °F (18 °C) / 52 °F (11 °C), 10 rain days
- Kinnitty17 °C (63 °F) / 9 °C (48 °F), 14 rain days63 °F (17 °C) / 48 °F (9 °C), 14 rain days
- Kinsale17 °C (63 °F) / 11 °C (52 °F), 12 rain days63 °F (17 °C) / 52 °F (11 °C), 12 rain days
- Knock17 °C (63 °F) / 10 °C (50 °F), 17 rain days63 °F (17 °C) / 50 °F (10 °C), 17 rain days
- Lahinch17 °C (63 °F) / 11 °C (52 °F), 15 rain days63 °F (17 °C) / 52 °F (11 °C), 15 rain days
- Leenane16 °C (61 °F) / 10 °C (50 °F), 17 rain days61 °F (16 °C) / 50 °F (10 °C), 17 rain days
- Leighlinbridge18 °C (64 °F) / 10 °C (50 °F), 11 rain days64 °F (18 °C) / 50 °F (10 °C), 11 rain days
- Letterfrack16 °C (61 °F) / 10 °C (50 °F), 17 rain days61 °F (16 °C) / 50 °F (10 °C), 17 rain days
- Letterkenny16 °C (61 °F) / 9 °C (48 °F), 17 rain days61 °F (16 °C) / 48 °F (9 °C), 17 rain days
- Lifford17 °C (63 °F) / 9 °C (48 °F), 14 rain days63 °F (17 °C) / 48 °F (9 °C), 14 rain days
- Limerick18 °C (64 °F) / 10 °C (50 °F), 15 rain days64 °F (18 °C) / 50 °F (10 °C), 15 rain days
- Lismore18 °C (64 °F) / 10 °C (50 °F), 11 rain days64 °F (18 °C) / 50 °F (10 °C), 11 rain days
- Listowel17 °C (63 °F) / 10 °C (50 °F), 15 rain days63 °F (17 °C) / 50 °F (10 °C), 15 rain days
- Longford17 °C (63 °F) / 9 °C (48 °F), 12 rain days63 °F (17 °C) / 48 °F (9 °C), 12 rain days
- Macroom18 °C (64 °F) / 10 °C (50 °F), 13 rain days64 °F (18 °C) / 50 °F (10 °C), 13 rain days
- Malahide18 °C (64 °F) / 10 °C (50 °F), 10 rain days64 °F (18 °C) / 50 °F (10 °C), 10 rain days
- Mallow18 °C (64 °F) / 10 °C (50 °F), 12 rain days64 °F (18 °C) / 50 °F (10 °C), 12 rain days
- Manorhamilton16 °C (61 °F) / 9 °C (48 °F), 17 rain days61 °F (16 °C) / 48 °F (9 °C), 17 rain days
- Maynooth18 °C (64 °F) / 10 °C (50 °F), 11 rain days64 °F (18 °C) / 50 °F (10 °C), 11 rain days
- Milltown Malbay17 °C (63 °F) / 11 °C (52 °F), 15 rain days63 °F (17 °C) / 52 °F (11 °C), 15 rain days
- Monaghan17 °C (63 °F) / 9 °C (48 °F), 15 rain days63 °F (17 °C) / 48 °F (9 °C), 15 rain days
- Mountmellick17 °C (63 °F) / 9 °C (48 °F), 12 rain days63 °F (17 °C) / 48 °F (9 °C), 12 rain days
- Mountrath18 °C (64 °F) / 9 °C (48 °F), 12 rain days64 °F (18 °C) / 48 °F (9 °C), 12 rain days
- Mullingar17 °C (63 °F) / 9 °C (48 °F), 11 rain days63 °F (17 °C) / 48 °F (9 °C), 11 rain days
- Naas18 °C (64 °F) / 10 °C (50 °F), 11 rain days64 °F (18 °C) / 50 °F (10 °C), 11 rain days
- Navan17 °C (63 °F) / 10 °C (50 °F), 11 rain days63 °F (17 °C) / 50 °F (10 °C), 11 rain days
- Nenagh18 °C (64 °F) / 10 °C (50 °F), 11 rain days64 °F (18 °C) / 50 °F (10 °C), 11 rain days
- New Ross18 °C (64 °F) / 10 °C (50 °F), 11 rain days64 °F (18 °C) / 50 °F (10 °C), 11 rain days
- Newport, County Mayo16 °C (61 °F) / 10 °C (50 °F), 15 rain days61 °F (16 °C) / 50 °F (10 °C), 15 rain days
- Oldcastle17 °C (63 °F) / 9 °C (48 °F), 12 rain days63 °F (17 °C) / 48 °F (9 °C), 12 rain days
- Omey Island17 °C (63 °F) / 11 °C (52 °F), 15 rain days63 °F (17 °C) / 52 °F (11 °C), 15 rain days
- Oranmore18 °C (64 °F) / 10 °C (50 °F), 17 rain days64 °F (18 °C) / 50 °F (10 °C), 17 rain days
- Oughterard17 °C (63 °F) / 10 °C (50 °F), 17 rain days63 °F (17 °C) / 50 °F (10 °C), 17 rain days
- Portarlington17 °C (63 °F) / 9 °C (48 °F), 12 rain days63 °F (17 °C) / 48 °F (9 °C), 12 rain days
- Portlaoise17 °C (63 °F) / 10 °C (50 °F), 11 rain days63 °F (17 °C) / 50 °F (10 °C), 11 rain days
- Portmagee17 °C (63 °F) / 11 °C (52 °F), 15 rain days63 °F (17 °C) / 52 °F (11 °C), 15 rain days
- Portumna18 °C (64 °F) / 10 °C (50 °F), 15 rain days64 °F (18 °C) / 50 °F (10 °C), 15 rain days
- Roscommon17 °C (63 °F) / 9 °C (48 °F), 15 rain days63 °F (17 °C) / 48 °F (9 °C), 15 rain days
- Roscrea18 °C (64 °F) / 9 °C (48 °F), 11 rain days64 °F (18 °C) / 48 °F (9 °C), 11 rain days
- Rosses Point16 °C (61 °F) / 10 °C (50 °F), 17 rain days61 °F (16 °C) / 50 °F (10 °C), 17 rain days
- Rosslare17 °C (63 °F) / 11 °C (52 °F), 11 rain days63 °F (17 °C) / 52 °F (11 °C), 11 rain days
- Roundwood17 °C (63 °F) / 10 °C (50 °F), 11 rain days63 °F (17 °C) / 50 °F (10 °C), 11 rain days
- Shannon18 °C (64 °F) / 10 °C (50 °F), 17 rain days64 °F (18 °C) / 50 °F (10 °C), 17 rain days
- Skibbereen18 °C (64 °F) / 11 °C (52 °F), 12 rain days64 °F (18 °C) / 52 °F (11 °C), 12 rain days
- Slane17 °C (63 °F) / 9 °C (48 °F), 11 rain days63 °F (17 °C) / 48 °F (9 °C), 11 rain days
- Sligo16 °C (61 °F) / 10 °C (50 °F), 16 rain days61 °F (16 °C) / 50 °F (10 °C), 16 rain days
- Spiddal17 °C (63 °F) / 10 °C (50 °F), 16 rain days63 °F (17 °C) / 50 °F (10 °C), 16 rain days
- Strandhill16 °C (61 °F) / 10 °C (50 °F), 17 rain days61 °F (16 °C) / 50 °F (10 °C), 17 rain days
- Swords18 °C (64 °F) / 10 °C (50 °F), 10 rain days64 °F (18 °C) / 50 °F (10 °C), 10 rain days
- Thomastown18 °C (64 °F) / 10 °C (50 °F), 11 rain days64 °F (18 °C) / 50 °F (10 °C), 11 rain days
- Thurles18 °C (64 °F) / 9 °C (48 °F), 11 rain days64 °F (18 °C) / 48 °F (9 °C), 11 rain days
- Tipperary18 °C (64 °F) / 10 °C (50 °F), 11 rain days64 °F (18 °C) / 50 °F (10 °C), 11 rain days
- Tory Island16 °C (61 °F) / 11 °C (52 °F), 17 rain days61 °F (16 °C) / 52 °F (11 °C), 17 rain days
- Tralee18 °C (64 °F) / 11 °C (52 °F), 15 rain days64 °F (18 °C) / 52 °F (11 °C), 15 rain days
- Tramore18 °C (64 °F) / 11 °C (52 °F), 11 rain days64 °F (18 °C) / 52 °F (11 °C), 11 rain days
- Trim17 °C (63 °F) / 10 °C (50 °F), 16 rain days63 °F (17 °C) / 50 °F (10 °C), 16 rain days
- Tuam18 °C (64 °F) / 10 °C (50 °F), 15 rain days64 °F (18 °C) / 50 °F (10 °C), 15 rain days
- Tullamore18 °C (64 °F) / 10 °C (50 °F), 11 rain days64 °F (18 °C) / 50 °F (10 °C), 11 rain days
- Tullow18 °C (64 °F) / 9 °C (48 °F), 11 rain days64 °F (18 °C) / 48 °F (9 °C), 11 rain days
- Virginia17 °C (63 °F) / 10 °C (50 °F), 13 rain days63 °F (17 °C) / 50 °F (10 °C), 13 rain days
- Waterford18 °C (64 °F) / 10 °C (50 °F), 11 rain days64 °F (18 °C) / 50 °F (10 °C), 11 rain days
- Westport16 °C (61 °F) / 10 °C (50 °F), 17 rain days61 °F (16 °C) / 50 °F (10 °C), 17 rain days
- Wexford17 °C (63 °F) / 11 °C (52 °F), 11 rain days63 °F (17 °C) / 52 °F (11 °C), 11 rain days
- Wicklow18 °C (64 °F) / 10 °C (50 °F), 11 rain days64 °F (18 °C) / 50 °F (10 °C), 11 rain days
- Youghal18 °C (64 °F) / 11 °C (52 °F), 11 rain days64 °F (18 °C) / 52 °F (11 °C), 11 rain days
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Dublin Fringe Festival check
September (check the dates) · Dublin
Theatre and comedy; evening bookings get busy.
Culture Night check
Third Friday in September (check) · Dublin
Free events and late openings; queues at popular places.
Dublin Theatre Festival check
Late September into October (check) · Dublin
Ticketed shows; book early for the popular ones.
Crowds and prices
- Crowds · Ireland
- Medium
- Prices · Ireland
- Medium
Compare two months
Weather, crowds and prices for any two months in Ireland, side by side.
Verdict
Sep: Good
May: Great (better)
Crowds
Sep: Medium
May: Medium
Prices
Sep: Medium
May: Medium
Festivals listed
Sep: 3
May: 2
September: Schools back, sea at its warmest, often settled weather: a strong month for driving the coast.
May: Often the driest, sunniest month; Skellig trips start mid-May.
Ireland: figures are long-term averages from this guide, not a forecast.
What to pack
Nothing unusual for the weather this month.
Where to go in September
Rated best or good this month
South-west
Best weather of the year (Kerry, Dingle, West Cork)
Quieter and often settled; Fringe Festival.
Best months: May–Sep
Best months: May–Sep
Best months: May–Sep
Best months: May–Sep
Best months: May–Sep
Best months: May–Sep
Best months: May–Sep for Emerald Park and race days; the town works year-round
Best months: May–Sep
Best months: May–Sep
Best months: May–Sep